Amavasya (अमावस्या) dates and timings in Perth for 1986
Verified astronomical start and end times for lunar day 30 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 9 Jan 1986, 11:12 pm GMT+8 | 10 Jan 1986, 8:21 pm GMT+8 | 21 hr 9 min | Yes |
| 2 | 8 Feb 1986, 10:34 am GMT+8 | 9 Feb 1986, 8:55 am GMT+8 | 22 hr 21 min | Yes |
| 3 | 9 Mar 1986, 11:00 pm GMT+8 | 10 Mar 1986, 10:51 pm GMT+8 | 23 hr 51 min | Yes |
| 4 | 8 Apr 1986, 12:49 pm GMT+8 | 9 Apr 1986, 2:08 pm GMT+8 | 25 hr 18 min | Yes |
| 5 | 8 May 1986, 3:52 am GMT+8 | 9 May 1986, 6:09 am GMT+8 | 26 hr 17 min | Yes |
| 6 | 6 Jun 1986, 7:29 pm GMT+8 | 7 Jun 1986, 10:00 pm GMT+8 | 26 hr 31 min | Yes |
| 7 | 6 Jul 1986, 10:51 am GMT+8 | 7 Jul 1986, 12:54 pm GMT+8 | 26 hr 3 min | Yes |
| 8 | 5 Aug 1986, 1:30 am GMT+8 | 6 Aug 1986, 2:35 am GMT+8 | 25 hr 5 min | Yes |
| 9 | 3 Sept 1986, 3:18 pm GMT+8 | 4 Sept 1986, 3:10 pm GMT+8 | 23 hr 51 min | Yes |
| 10 | 3 Oct 1986, 4:22 am GMT+8 | 4 Oct 1986, 2:54 am GMT+8 | 22 hr 33 min | Yes |
| 11 | 1 Nov 1986, 4:42 pm GMT+8 | 2 Nov 1986, 2:02 pm GMT+8 | 21 hr 20 min | Yes |
| 12 | 1 Dec 1986, 4:16 am GMT+8 | 2 Dec 1986, 12:42 am GMT+8 | 20 hr 26 min | Yes |
| 13 | 30 Dec 1986, 3:04 pm GMT+8 | 31 Dec 1986, 11:09 am GMT+8 | 20 hr 5 min | Yes |
How these timings are calculated
BDA calculates the geocentric angular separation of the Moon and Sun and divides the full cycle into 30 equal 12-degree Tithi sectors. UTC boundaries are converted to the timezone resolved from the listed city coordinates.
Scope: These are astronomical Tithi spans only. This page does not choose a festival, Vrat, Parana, or Muhurta date. Those decisions require their separately certified sunrise-prevalence and observance rules.
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